In this lecture Professor Goldwhite will walk you through Balancing Redox Reactions as well as Half Reactions. You will first start with a Review of Oxidation and Reduction before learning how to Determine Oxidation Numbers with the Rules for Assigning Oxidation Numbers. Next, you will learn how to Balance Half Reactions as well as how to Combine Half Reactions into Complete Reactions. Lastly, you will cover Half Reactions in Acidic and Basic Solutions before finishing up with Balancing Redox Reactions.
is loss of electrons; reduction is gain of electrons
for assigning ox. nos. include: elements = 0; H = +1; O = -2; sum of
all ox.nos. = charge on species
are either ox. or red. Will include electrons as reagents red.
half-reaction or products ox. half-reaction
appropriate numbers of ox. and red. half reactions to cancel
electrons and get whole reaction
acid solution use H+ to remove O
basic solution use H2O to remove O and make OH-
Balancing Redox Reactions, Half Reactions
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
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